itkOtsuThresholdCalculator.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#ifndef itkOtsuThresholdCalculator_h
#define itkOtsuThresholdCalculator_h

#include "itkHistogramThresholdCalculator.h"
#include "itkOtsuMultipleThresholdsCalculator.h"

namespace itk
{

template <typename THistogram, typename TOutput=double>
class ITK_TEMPLATE_EXPORT OtsuThresholdCalculator : public HistogramThresholdCalculator<THistogram, TOutput>
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(OtsuThresholdCalculator);

  using Self = OtsuThresholdCalculator;
  using Superclass = HistogramThresholdCalculator<THistogram, TOutput>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkTypeMacro(OtsuThresholdCalculator, HistogramThresholdCalculator);

  using HistogramType = THistogram;
  using OutputType = TOutput;

  itkSetMacro(ReturnBinMidpoint, bool);
  itkGetConstReferenceMacro(ReturnBinMidpoint, bool);
  itkBooleanMacro(ReturnBinMidpoint);

  void Compute()
  {
    this->Update();
  }

protected:
  OtsuThresholdCalculator()

  {
    m_OtsuMultipleThresholdsCalculator = OtsuMultipleThresholdsCalculator<THistogram>::New();
  }
  ~OtsuThresholdCalculator() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;
  void GenerateData() override;

private:
  typename OtsuMultipleThresholdsCalculator<THistogram>::Pointer m_OtsuMultipleThresholdsCalculator;
#if defined(ITKV4_COMPATIBILITY)
  bool                m_ReturnBinMidpoint{ true };
#else
  bool                m_ReturnBinMidpoint{ false };
#endif
};

} // end namespace itk


#ifndef ITK_MANUAL_INSTANTIATION
#include "itkOtsuThresholdCalculator.hxx"
#endif

#endif